CN110572544A - Integrated medical endoscope circuit - Google Patents
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- CN110572544A CN110572544A CN201910851571.9A CN201910851571A CN110572544A CN 110572544 A CN110572544 A CN 110572544A CN 201910851571 A CN201910851571 A CN 201910851571A CN 110572544 A CN110572544 A CN 110572544A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00002—Operational features of endoscopes
- A61B1/00004—Operational features of endoscopes characterised by electronic signal processing
- A61B1/00009—Operational features of endoscopes characterised by electronic signal processing of image signals during a use of endoscope
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/45—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from two or more image sensors being of different type or operating in different modes, e.g. with a CMOS sensor for moving images in combination with a charge-coupled device [CCD] for still images
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/555—Constructional details for picking-up images in sites, inaccessible due to their dimensions or hazardous conditions, e.g. endoscopes or borescopes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
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Abstract
The embodiment of the application provides an integrated medical endoscope circuit, and relates to the technical field of medical instruments. The integrated medical endoscope circuit comprises an electronic mirror circuit, an optical mirror circuit and a display driving circuit; the electronic mirror circuit is used for collecting and processing a first image signal of the electronic endoscope; the optical lens circuit is used for collecting and processing a second image signal of the optical endoscope; the display driving circuit is used for receiving the first image signal and the second image signal and displaying the first image signal and the second image signal on a display screen. The integrated medical endoscope circuit combines the image acquisition and processing circuits of the electronic endoscope and the optical endoscope together, so that the electronic endoscope and the optical endoscope share one host, the technical effect of the integrated electronic endoscope and the integrated optical endoscope is achieved, and the practicability is high.
Description
Technical Field
The application relates to the technical field of medical instruments, in particular to an integrated medical endoscope circuit.
Background
at present, in the field of medical instruments, an optical endoscope and an electronic endoscope are two sets of devices which are separated and independent, and in the normal medical diagnosis process, the accuracy of estimation of the texture of a diseased part through a single device depends on the experience of a doctor to a great extent and is not completely accurate, so that the texture of the diseased part is often found to be different from the pre-estimated texture in the diagnosis or treatment process, and the prepared diagnosis or treatment device needs to be replaced; for example, the optical endoscope and the electronic endoscope are different in structure and adaptive condition, and therefore, medical staff often needs to temporarily replace different endoscopes to continue diagnosis or treatment.
In the prior art, most of optical endoscopes and electronic endoscopes are respectively provided with independent display, camera, light source machine and other discrete devices to form a set of system; furthermore, the existing optical endoscope and electronic endoscope have different circuit structures and circuit designs, and have difficulty and obstacle in combination.
Disclosure of Invention
an object of the embodiments of the present application is to provide an integrated medical endoscope circuit, which combines image acquisition and processing circuits of an electronic endoscope and an optical endoscope together, so that the electronic endoscope and the optical endoscope share one host, thereby achieving the technical effects of the integrated electronic endoscope and the integrated optical endoscope, and having high practicability.
the embodiment of the application provides an integrated medical endoscope circuit, which comprises an electronic mirror circuit, an optical mirror circuit and a display driving circuit; the electronic mirror circuit is used for collecting and processing a first image signal of the electronic endoscope; the optical lens circuit is used for collecting and processing a second image signal of the optical endoscope; the display driving circuit is used for receiving the first image signal and the second image signal and displaying the first image signal and the second image signal on a display screen.
in the implementation process, the image acquisition circuit and the image processing circuit of the electronic endoscope and the image processing circuit of the optical endoscope are combined together, namely the image acquisition circuit and the image processing circuit of the electronic endoscope and the image processing circuit of the optical endoscope are reasonably arranged in the same host, and the electronic endoscope and the optical endoscope share one display driving circuit, so that the electronic endoscope and the optical endoscope share one host, the technical effect of integrating the electronic endoscope and the optical endoscope is achieved, and the practicability is high.
Further, the electronic mirror circuit comprises an electronic mirror acquisition sub-circuit and an electronic mirror processing sub-circuit; the electronic microscope acquisition sub-circuit comprises a first image sensor and a first interface plug-in, wherein the image sensor is used for acquiring an image and generating a first image signal; the first interface plug-in is respectively connected with the first image sensor and the electron microscope processing sub-circuit and is used for transmitting the first image signal to the electron microscope processing sub-circuit; the electron microscope processing sub-circuit comprises a first image processor and a first memory, wherein the first image processor is used for processing the first image signal, and the first memory is used for storing operation data in the first image processor.
In the implementation process, the acquisition sub-circuit of the electronic mirror circuit is responsible for image acquisition of the target part and generating an image signal; the processing sub-circuit is responsible for processing the image signal, and the processing comprises white balance adjustment of the image; the first memory device is used as a memory for the first image processor to operate, so that the first image processor can normally operate.
Further, the optical mirror circuit comprises an optical mirror collecting sub-circuit and an optical mirror processing sub-circuit; the optical lens acquisition sub-circuit comprises a second image sensor and a second interface plug-in, wherein the image sensor is used for acquiring an image and generating a second image signal; the second interface plug-in is respectively connected with the second image sensor and the optical mirror processing sub-circuit and is used for transmitting the second image signal to the optical mirror processing sub-circuit; the optical mirror processing sub-circuit comprises a second image processor and a second internal memory, wherein the second image processor is used for processing the second image signal, and the second internal memory is used for storing operation data in the second image processor.
In the implementation process, the acquisition sub-circuit of the optical mirror circuit is responsible for image acquisition of the target part and generating an image signal; the processing sub-circuit is responsible for processing the image signal, and the processing comprises white balance adjustment of the image; the second memory device is used as a memory for the second image processor to operate, so that the second image processor can operate normally.
Further, the electronic mirror circuit comprises a first clock sub-circuit, wherein the first clock sub-circuit comprises a first clock oscillator chip, a first filter capacitor, a first filter inductor and a first debugging resistor; the input end of the first clock oscillator chip is connected with a power supply through the first filter inductor, and the output end of the first clock oscillator chip is connected with a clock signal port of the first image sensor through the first debugging resistor; the input end of the first clock oscillator chip is grounded after passing through the filter capacitor; the optical mirror circuit comprises a second clock sub-circuit, and the second clock sub-circuit comprises a second clock oscillator chip, a second filter capacitor, a second filter inductor and a second debugging resistor; the input end of the second clock oscillator chip is connected with a power supply through the second filter inductor, and the output end of the second clock oscillator chip is connected with a clock signal port of the second image sensor through the second debugging resistor; and the input end of the second clock oscillator chip is grounded through a second filter capacitor.
In the above implementation, the clock sub-circuit is used to generate a stable clock signal. The image sensor of the electronic mirror circuit or the optical mirror circuit needs to be externally connected with a clock sub-circuit, and a preset clock signal is provided for the image sensor through the clock sub-circuit, so that the image sensor can normally operate.
Furthermore, the electronic mirror circuit further comprises a first reset sub-circuit, the first reset sub-circuit comprises a first reset chip, an input end of the first reset chip is connected with a state output end of the electronic mirror processing sub-circuit, an output end of the first reset chip is connected with a reset input end of the electronic mirror processing sub-circuit, and the first reset chip is used for sending a reset signal to a reset input end of the electronic mirror processing sub-circuit and counting time again if a normal state signal of the electronic mirror processing sub-circuit is not received within a first preset time period; the optical mirror circuit further comprises a second reset sub-circuit, the first reset sub-circuit comprises a second reset chip, the input end of the second reset chip is connected with the state output end of the optical mirror processing sub-circuit, the output end of the second reset chip is connected with the reset input end of the optical mirror processing sub-circuit, and the second reset chip is used for sending a reset signal to the reset input end of the optical mirror processing sub-circuit and counting time again if the second reset chip does not receive the normal state signal of the optical mirror processing sub-circuit within a second preset time period.
In the above implementation, the reset sub-circuit is used to generate a reset signal. The electronic mirror circuit and the image processor of the optical mirror circuit need to be externally connected with a reset sub-circuit, and a reset chip in the reset sub-circuit needs to receive a state signal sent by the image sensor at regular time to indicate that the image sensor works normally; if the state signal is not received, the reset chip sends a reset signal to the image processor so as to reset the image processor.
Further, the display driving circuit includes a display driving chip and a third interface plug-in, where the display driving chip is configured to receive the first image signal and the second image signal and generate a driving signal; the third interface plug-in is respectively connected with the driving chip and the display screen and is used for transmitting the driving signal to the display screen so that the display screen can display the first image signal and the second image signal.
in the implementation process, the display driving circuit is used for driving the display screen to work. The display driving circuit comprises a display driving chip and an interface plug-in, wherein the display driving chip can convert the image signal into a driving signal so as to display the image signal on the LCD screen; and the interface plug-in is used for respectively connecting the driving chip and the display screen.
Furthermore, the display driving circuit further comprises a crystal oscillator circuit, and the input end and the output end of the crystal oscillator sub-circuit are respectively connected with two clock signal ports of the display driving chip; the crystal oscillator sub-circuit comprises a crystal oscillator, a resistor, a first capacitor and a second capacitor, wherein the crystal oscillator and the resistor are respectively connected between the input end and the output end of the crystal oscillator circuit, the first capacitor and the second capacitor are connected in series and then connected between the input end and the output end of the crystal oscillator sub-circuit, and the first capacitor and the second capacitor are grounded.
In the above implementation, the crystal oscillator sub-circuit is used to generate a stable clock signal. The display driving circuit needs to be externally connected with a crystal oscillator circuit, and a preset clock signal is sent to the display driving chip through the crystal oscillator sub-circuit, so that the image sensor can normally operate.
Further, the endoscope circuit further comprises a signal conversion bridge chip, and the signal conversion bridge chip is used for converting the modes of the first image signal and the second image signal into the working mode of the display driving circuit.
In the above implementation process, the signal conversion bridge chip may convert the modes of the first image signal and the second image signal into the operation mode of the display driving circuit.
Further, the endoscope circuit further comprises an external storage interface, and the external storage interface is respectively connected with the electronic mirror circuit and the optical mirror circuit and is used for transmitting the first image signal or the second image signal to an external storage device.
In the implementation process, the external storage interface can lead the image signal out to the external storage device, so that the image signal is conveniently stored, and further diagnosis and analysis can be conveniently carried out on the target part.
Furthermore, the endoscope circuit also comprises a power supply circuit which is used for supplying power to the electronic mirror circuit, the optical mirror circuit and the display driving circuit.
in the implementation process, the power supply circuit can convert alternating current into direct current with preset rated voltage to supply power to the electronic mirror circuit, the optical mirror circuit and the display driving circuit.
additional features and advantages of the disclosure will be set forth in the description which follows, or in part may be learned by the practice of the above-described techniques of the disclosure, or may be learned by practice of the disclosure.
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
FIG. 1 is a schematic diagram of an integrated medical endoscope circuit provided by an embodiment of the present application;
FIG. 2 is a schematic diagram of an electronic mirror circuit according to an embodiment of the present disclosure;
FIG. 3 is a schematic diagram of an optical mirror circuit according to an embodiment of the present disclosure;
Fig. 4 is a schematic diagram of a first image sensor according to an embodiment of the present disclosure;
Fig. 5 is a schematic diagram of a first interface plug-in provided in an embodiment of the present application;
Fig. 6 is a schematic diagram of a second image sensor provided in the embodiment of the present application;
FIG. 7 is a partially enlarged view of a control port of a second image sensor according to an embodiment of the present disclosure;
FIG. 8 is a partially enlarged view of a power port of a second image sensor according to an embodiment of the present disclosure;
FIG. 9 is a partially enlarged view of a power port of a second image sensor according to an embodiment of the present disclosure;
Fig. 10 is a schematic diagram of a second interface card according to an embodiment of the present application;
FIG. 11 is a diagram illustrating a first image processor according to an embodiment of the present disclosure;
FIG. 12 is a diagram illustrating a second image processor according to an embodiment of the present disclosure;
FIG. 13 is a schematic diagram of a clock sub-circuit according to an embodiment of the present disclosure;
Fig. 14 is a schematic diagram of a reset sub-circuit according to an embodiment of the present application;
Fig. 15 is a schematic diagram of a crystal oscillator circuit according to an embodiment of the present application;
Fig. 16 is a schematic diagram of a signal conversion bridge according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
it should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
the integrated medical endoscope circuit provided by the embodiment of the application can be applied to endoscope medical diagnosis or operation, for example, under the condition that an optical endoscope or an electronic endoscope needs to be used simultaneously or alternatively, the integrated medical endoscope circuit integrates the circuit of the electronic endoscope and the circuit of the optical endoscope, so that the electronic endoscope and the optical endoscope share one display driving circuit and one host, the diagnosis or treatment of the optical endoscope and the electronic endoscope can be carried out under the condition that medical equipment does not need to be replaced, the diagnosis accuracy or treatment success rate is improved, the technical effects of saving cost and improving convenience of medical operation are achieved, and the practicability is high.
Referring to fig. 1, fig. 1 is a schematic diagram of an integrated medical endoscope circuit according to an embodiment of the present disclosure. The integrated medical endoscope circuit includes an electronic mirror circuit 10, an optical mirror circuit 20, and a display drive circuit 30.
Illustratively, the electronic scope circuit 10 is used to acquire and process a first image signal of the electronic endoscope; the optical mirror circuit 20 is used for collecting and processing a second image signal of the optical endoscope; the display driving circuit 30 is configured to receive the first image signal and the second image signal and display the first image signal and the second image signal on the display screen.
Referring to fig. 2, fig. 2 is a schematic diagram of an electronic mirror circuit according to an embodiment of the present disclosure. The electronic mirror circuit 10 includes an electronic mirror collecting sub-circuit 11 and an electronic mirror processing sub-circuit 12.
illustratively, the electron microscope acquisition sub-circuit 11 includes a first image sensor and a first interface plug-in, the first image sensor is used for acquiring an image and generating a first image signal; the first interface plug-in is respectively connected with the first image sensor and the electron microscope processing sub-circuit, and is used for transmitting the first image signal to the electron microscope processing sub-circuit 12.
exemplarily, the electron microscope processing sub-circuit 12 is configured to process an image signal of the electronic endoscope; for example, the electron microscope processing sub-circuit 12 performs white balance adjustment on the image signal according to fixed preset parameters.
Illustratively, the electron microscope processing sub-circuit 12 includes a first image processor and a first memory, the first image processor is configured to process the first image signal and transmit the first image signal to the display driving circuit 30; the first memory is used as the memory of the first image processor and is used for temporarily storing the operation data in the first image processor so as to ensure that the first image processor operates normally.
Referring to fig. 3, fig. 3 is a schematic diagram of an optical mirror circuit according to an embodiment of the present disclosure. The optical mirror circuit 20 includes a mirror acquisition sub-circuit 21 and a mirror processing sub-circuit 22.
Illustratively, the optical mirror acquisition sub-circuit 21 includes a second image sensor for acquiring an image and generating a second image signal, and a second interface card; the second interface plug-in is connected to the second image sensor and the optical mirror processing sub-circuit, respectively, and is configured to transmit the second image signal to the optical mirror processing sub-circuit 22.
illustratively, the scope processing sub-circuit 22 is for processing an image signal of the optical endoscope; for example, the mirror processing sub-circuit 22 performs white balance adjustment on the image signal according to fixed preset parameters.
Illustratively, the optical mirror processing sub-circuit 22 includes a second image processor for processing the second image signal and transmitting the second image signal to the display driving circuit 30; the second internal memory is used as the internal memory of the second image processor and is used for temporarily storing the operation data in the second image processor so as to ensure that the second image processor operates normally.
In a possible implementation scenario, the display driving circuit 30 may select whether to display one of the first image signal and the second image signal or to simultaneously display the first image signal and the second image signal when receiving the first image signal and the second image signal at the same time; in the case of simultaneous display, the display screen may be divided into two blocks, each displaying the first image signal and the second image signal.
The functions and connections of the electronic mirror circuit 10, the optical mirror circuit 20, and the display drive circuit 30 are described above; hereinafter, circuits that can realize the functions of the electronic mirror circuit 10, the optical mirror circuit 20, and the display drive circuit 30 will be further described.
Referring to fig. 4, fig. 4 is a schematic view of a first image sensor according to an embodiment of the present disclosure. The first image sensor 111 is used for an electronic endoscope to acquire an image of a target part and generate an image signal, and comprises an image signal transmission port 1111 and a control port 1112, wherein the image signal transmission port 1111 and the control port 1112 are connected with a first image processor through a first interface plug-in unit.
optionally, the first image sensor 111 adopts an MIPI (Mobile Industry Processor Interface) type Interface, and the image signal transmission port 1111 is configured to transmit an image signal to the first image Processor, where the CAM VCLK is a pixel clock signal to assist image transmission.
alternatively, control port 1112 employs an I2C bus, where SDA is a serial data line and SCL is a serial clock line, both of which are bidirectional I/O lines.
Referring to fig. 5, fig. 5 is a schematic view of a first interface plug-in provided in an embodiment of the present application. The first interface plug 112 corresponds to the first image sensor 111 of fig. 4, and is used for switching the interface of the first image sensor 111 to a circuit board, specifically, to the electron microscope processing sub-circuit 12.
Illustratively, the first interface plug 112 includes an image signal interface 1121 and a control interface 1122, wherein the image signal interface 1121 is connected to the image signal transmission port 1111, and the control interface 1122 is connected to the control port 1112.
referring to fig. 6, fig. 6 is a schematic view of a second image sensor according to an embodiment of the present disclosure. The second image sensor 211 is used for the optical endoscope to capture the image of the target region and generate an image signal, and includes an image signal transmission port 2111, and the image signal transmission port 2111 is connected to the second image processor through the second interface card, and is used for transmitting the image signal to the second image processor.
Illustratively, the second image sensor 211 is a sensor of the model IMX series, and specifically, is an image sensor of the model IMX 185.
Referring to fig. 7, fig. 7 is a partially enlarged view of a control port of a second image sensor according to an embodiment of the present disclosure. The second image sensor 211 includes a control port 2112.
Illustratively, the second image sensor 211 can support two control modes, one is an SPI mode and one is an I2C mode.
For example, when the control mode of the second image sensor 211 adopts the SPI mode, the port is externally connected with the SPI0, and the resistors R12, R13, and R14 are connected (NC) in the air, i.e., may not be installed.
Illustratively, when the control mode of the second image sensor 211 adopts the I2C mode, the ports are externally connected with the CMOS SCL and the CMOS SDA, the resistor R12 is 0 Ω, and both R13 and R14 are 1k Ω.
Referring to fig. 8-9, fig. 8-9 are enlarged views of a power port of a second image sensor according to an embodiment of the present disclosure.
Illustratively, 1V2_ DVDD represents a reference voltage of 1.2V for digital-to-analog conversion. Generally, in the circuit diagrams presented in the various figures of the present application: VCC is the voltage of the access circuit; VDD is the operating voltage inside the device; VSS refers to circuit common ground; DVDD represents a reference voltage for digital-to-analog conversion, and DA requires a reference voltage during conversion; AVDD denotes the reference voltage for the analog-to-digital conversion, and AD also requires a reference voltage for the conversion.
It should be understood that the chip in each circuit diagram of the present application includes a power port, and generally, the power port portion can directly or indirectly obtain the relevant power interface information from the port of the chip; to avoid repetition of the description, the power supply portion will not be described in detail below.
referring to fig. 10, fig. 10 is a schematic view of a second interface plug-in provided in the embodiment of the present application. The second interface plug 212 corresponds to the second image sensor 211 of fig. 6-7, and is used for switching the interface of the second image sensor 211 to the circuit board, specifically, to the electron microscope processing sub-circuit 22.
Illustratively, the second interface card 212 includes an image signal interface 2121 and a control interface 2122, wherein the image signal interface 2121 is correspondingly connected to the image signal transmission port 2111, and the control interface 2122 is correspondingly connected to the control port 2112.
Referring to fig. 11, fig. 11 is a schematic diagram of a first image processor according to an embodiment of the present disclosure. The first image processor 121 is configured to process an image signal acquired by the first image sensor 111.
Illustratively, the first image processor 121 includes an image signal input 1211 and an image signal output 1212. Wherein the image signal input end 1211 is connected with the image signal transmission port 1111 of the first image sensor 111 for acquiring the image signal of the electronic endoscope; the image signal output terminal 1212 is connected to the display driving circuit, and is configured to transmit the processed image signal of the electronic endoscope to the display driving circuit, so that the image signal of the electronic endoscope is displayed on the display screen.
Illustratively, the first image processor 121 processes the image signal of the electronic endoscope including white balance adjustment of the image signal according to fixed preset parameters.
Illustratively, the chip model of the first image sensor 121 is HI 3516A.
Referring to fig. 12, fig. 12 is a schematic diagram of a second image processor according to an embodiment of the present disclosure. The second image processor 221 is configured to process the image signal acquired by the second image sensor 211.
Illustratively, the second image processor 221 includes an image signal input terminal 2211 and an image signal output terminal 2212. The image signal input end 2211 is connected to the image signal transmission port 2111 of the second image sensor 211, and is used for acquiring an image signal of the optical endoscope; the image signal output end 2212 is connected to the display driving circuit, and is configured to transmit the processed image signal of the optical endoscope to the display driving circuit, so that the image signal of the optical endoscope is displayed on the display screen.
Illustratively, the second image processor 221 processes the image signal of the optical endoscope including white balance adjustment of the image signal according to fixed preset parameters.
Illustratively, the chip model of the second image sensor 221 is HI 3516A.
In one possible embodiment, the memory used by the electron mirror processing sub-circuit or the optical mirror processing sub-circuit is a DDR SDRAM memory. Double Data Rate synchronous dynamic Random Access Memory (DDR SDRAM) is an SDRAM with Double Data transfer Rate, and its Data transfer Rate is twice of the system clock frequency, and its transfer performance is better than that of the conventional SDRAM due to the increased speed. DDR SDRAM may perform data transfers on both the rising and falling edges of the system clock. Optionally, the memory used by the electron mirror processing sub-circuit or the optical mirror processing sub-circuit is a DDR3 memory.
Referring to fig. 13, fig. 13 is a schematic diagram of a clock sub-circuit according to an embodiment of the present disclosure.
Illustratively, the clock sub-circuit comprises a clock oscillator chip X1, a filter capacitor C48, a filter inductor L1 and a debugging resistor; the input end of the clock oscillator chip X1 is connected with a power supply through a filter inductor L1, and the power supply voltage is 3.3V; the output end of the clock oscillator chip X1 is connected with a clock signal port of the image sensor through a debugging resistor R24, and the clock signal is CLK IN; the input end of the clock oscillator chip X1 is grounded through a filter capacitor C48.
It is to be understood that the above clock subcircuits may be used for the first image sensor 111, the second image sensor 211 to avoid duplicate explanation.
Referring to fig. 14, fig. 14 is a schematic diagram of a reset sub-circuit according to an embodiment of the present disclosure.
Illustratively, the reset sub-circuit includes a reset chip U3, an input terminal of the reset chip U3 is connected to the status output terminal WDGRSTN of the image processor, an output terminal of the reset chip U3 is connected to the reset input terminal SYS RSTN of the image processor, and the reset chip U3 is configured to send a reset signal to the reset input terminal SYS RSTN of the image processor if a normal status signal of the image processor is not received within a preset time period, so as to reset the image processor and count the time again.
Optionally, the reset chip U2 is a watchdog chip, i.e., watchdog timer, which is a timer circuit. The watchdog chip is provided with an input end for receiving a watchdog feeding signal (clicking/service dog); one output end is connected to the reset input end of the image processor, when the image processor works normally, a signal is output to the dog feeding end at intervals, the watchdog chip is cleared to zero, if the watchdog chip does not feed the dog (generally when the program flies) in the specified time, the watchdog chip exceeds the timing, a reset signal is given to the image processor, and the image processor is reset. The image processor is prevented from crashing. The watchdog chip is used for preventing the program from endless circulation or flying.
It is to be understood that the reset sub-circuit described above may be used for the first and second image processors 111 and 211 to avoid duplicate explanation.
Illustratively, the display driving circuit comprises a display driving chip and a third interface plug-in, wherein the display driving chip is used for receiving the first image signal and the second image signal and generating a driving signal; the third interface plug-in is respectively connected with the driving chip and the display screen and is used for transmitting the driving signal to the display screen so as to enable the display screen to display the first image signal and the second image signal.
in one possible embodiment, the display driver circuit is an LCD display driver circuit, wherein the display driver chip is an RTD series display driver chip, and specifically, the display driver chip can be RTD25556, RTD2556T, or RTD 2556T-EDP. Wherein the RTD2556 only outputs eDP and can not turn over by 180 degrees; the RTD2556T only has LVDS output and can be turned over by 180 degrees; the RTD2556T-EDP can dot two screens and can make 180-degree turn at the same time.
Referring to fig. 15, fig. 15 is a schematic diagram of a crystal oscillator circuit according to an embodiment of the present disclosure.
exemplarily, the input end and the output end of the crystal oscillator sub-circuit are respectively connected with two clock signal ports XI and XO of the display driving chip; the crystal oscillator sub-circuit comprises a crystal oscillator Y1, a resistor R38, a capacitor C34 and a capacitor C35, wherein the crystal oscillator Y1 and the resistor R38 are respectively connected between the input end and the output end of the crystal oscillator sub-circuit, the capacitor C34 and the capacitor C35 are connected between the input end and the output end of the crystal oscillator sub-circuit after being connected in series, and the capacitor C34 and the capacitor C35 are grounded.
referring to fig. 16, fig. 16 is a schematic diagram of a signal conversion bridge according to an embodiment of the present disclosure.
Illustratively, the signal conversion bridge chip is used for converting the mode of the image signal into the operation mode of the display drive circuit; optionally, the signal conversion bridge is of a type sii9136, and the RGB mode can be converted into the HDMI mode.
Illustratively, the signal input terminal 41 of the signal conversion bridge is used for connecting the first image sensor or the second image sensor, acquiring an image signal in RGB mode, and simultaneously converting the image signal in RGB mode into an image signal in HDMI mode; the signal output port 42 is connected to the display driving circuit, and outputs the image signal in the HDMI mode to the display driving circuit.
Alternatively, the signal output port 42 employs a DVI interface.
In a possible embodiment, the integrated medical endoscope circuit further comprises an external memory interface.
Illustratively, the external storage interface is respectively connected with the electronic mirror circuit and the optical mirror circuit and is used for transmitting the first image signal or the second image signal to the external storage device.
Optionally, the external storage interface is an SFC interface, and the first image signal or the second image signal may be transmitted to an external storage device; in addition, the SFC may also be used to transfer a program, for example, a stored program of an external storage device to a chip of the electronic mirror circuit, the optical mirror circuit, and to be executed.
in the several embodiments provided in the present application, it should be understood that the functional modules in the embodiments of the present application may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (10)
1. An integrated medical endoscope circuit is characterized by comprising an electronic mirror circuit, an optical mirror circuit and a display driving circuit;
The electronic mirror circuit is used for collecting and processing a first image signal of the electronic endoscope;
The optical lens circuit is used for collecting and processing a second image signal of the optical endoscope;
the display driving circuit is used for receiving the first image signal and the second image signal and displaying the first image signal and the second image signal on a display screen.
2. The integrated medical endoscope circuit of claim 1, wherein the electron mirror circuit comprises an electron mirror acquisition sub-circuit and an electron mirror processing sub-circuit;
The electronic microscope acquisition sub-circuit comprises a first image sensor and a first interface plug-in, wherein the image sensor is used for acquiring an image and generating a first image signal; the first interface plug-in is respectively connected with the first image sensor and the electron microscope processing sub-circuit and is used for transmitting the first image signal to the electron microscope processing sub-circuit;
The electron microscope processing sub-circuit comprises a first image processor and a first memory, wherein the first image processor is used for processing the first image signal, and the first memory is used for storing operation data in the first image processor.
3. The integrated medical endoscope circuit of claim 2, wherein the optic circuit comprises a optic collection sub-circuit and a optic processing sub-circuit;
The optical lens acquisition sub-circuit comprises a second image sensor and a second interface plug-in, wherein the image sensor is used for acquiring an image and generating a second image signal; the second interface plug-in is respectively connected with the second image sensor and the optical mirror processing sub-circuit and is used for transmitting the second image signal to the optical mirror processing sub-circuit;
The optical mirror processing sub-circuit comprises a second image processor and a second internal memory, wherein the second image processor is used for processing the second image signal, and the second internal memory is used for storing operation data in the second image processor.
4. The integrated medical endoscope circuit of claim 3, wherein the electronic mirror circuit comprises a first clock sub-circuit comprising a first clock oscillator chip, a first filter capacitor, a first filter inductor, and a first debug resistor; the input end of the first clock oscillator chip is connected with a power supply through the first filter inductor, and the output end of the first clock oscillator chip is connected with a clock signal port of the first image sensor through the first debugging resistor; the input end of the first clock oscillator chip is grounded after passing through the filter capacitor;
The optical mirror circuit comprises a second clock sub-circuit, and the second clock sub-circuit comprises a second clock oscillator chip, a second filter capacitor, a second filter inductor and a second debugging resistor; the input end of the second clock oscillator chip is connected with a power supply through the second filter inductor, and the output end of the second clock oscillator chip is connected with a clock signal port of the second image sensor through the second debugging resistor; and the input end of the second clock oscillator chip is grounded through a second filter capacitor.
5. The integrated medical endoscope circuit of claim 3, wherein the electronic scope circuit further comprises a first reset sub-circuit, the first reset sub-circuit comprises a first reset chip, an input terminal of the first reset chip is connected to the state output terminal of the electronic scope processing sub-circuit, an output terminal of the first reset chip is connected to the reset input terminal of the electronic scope processing sub-circuit, and the first reset chip is configured to send a reset signal to the reset input terminal of the electronic scope processing sub-circuit and to count the time again if a normal state signal of the electronic scope processing sub-circuit is not received within a first preset time period;
The optical mirror circuit further comprises a second reset sub-circuit, the second reset sub-circuit comprises a second reset chip, the input end of the second reset chip is connected with the state output end of the optical mirror processing sub-circuit, the output end of the second reset chip is connected with the reset input end of the optical mirror processing sub-circuit, and the second reset chip is used for sending a reset signal to the reset input end of the optical mirror processing sub-circuit and counting time again if the normal state signal of the optical mirror processing sub-circuit is not received in a second preset time period.
6. The integrated medical endoscope circuit of claim 1, wherein the display driver circuit comprises a display driver chip and a third interface card, the display driver chip being configured to receive the first image signal and the second image signal and generate a driving signal; the third interface plug-in is respectively connected with the driving chip and the display screen and is used for transmitting the driving signal to the display screen so that the display screen can display the first image signal and the second image signal.
7. The integrated medical endoscope circuit according to claim 6, characterized in that the display driving circuit further comprises a crystal oscillator circuit, the input end and the output end of the crystal oscillator circuit are respectively connected with two clock signal ports of the display driving chip; the crystal oscillator sub-circuit comprises a crystal oscillator, a resistor, a first capacitor and a second capacitor, wherein the crystal oscillator and the resistor are respectively connected between the input end and the output end of the crystal oscillator circuit, the first capacitor and the second capacitor are connected in series and then connected between the input end and the output end of the crystal oscillator sub-circuit, and the first capacitor and the second capacitor are grounded.
8. The integrated medical endoscope circuit of claim 1, further comprising a signal conversion bridge for converting the mode of the first and second image signals to the operating mode of the display driver circuit.
9. The integrated medical endoscope circuit of claim 1, further comprising an external storage interface, respectively connected to the electronic mirror circuit and the optical mirror circuit, for transmitting the first image signal or the second image signal to an external storage device.
10. The integrated medical endoscope circuit of claim 1, further comprising a power circuit for powering the electronic mirror circuit, the optic mirror circuit, and the display driver circuit.
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|---|---|---|---|
| CN201910851571.9A CN110572544A (en) | 2019-09-10 | 2019-09-10 | Integrated medical endoscope circuit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910851571.9A CN110572544A (en) | 2019-09-10 | 2019-09-10 | Integrated medical endoscope circuit |
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| CN110572544A true CN110572544A (en) | 2019-12-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114071030A (en) * | 2021-12-14 | 2022-02-18 | 杭州友勤信息技术有限公司 | Double-channel combined system of endoscope |
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| CN106444005A (en) * | 2016-11-28 | 2017-02-22 | 西安众筹梦康电子科技有限公司 | Multi-bent-portion device and industrial endoscope |
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Application publication date: 20191213 |